referee vs sport

referee and sport both are nouns.

Word	Noun	Adjective	Verb	Adverb
referee	Yes	No	Yes	No
sport	Yes	No	Yes	No

referee (noun)	sport (noun)
(sports) the chief official (as in boxing or American football) who is expected to ensure fair play	an active diversion requiring physical exertion and competition
someone who reads manuscripts and judges their suitability for publication	the occupation of athletes who compete for pay
an attorney appointed by a court to investigate and report on a case	verbal wit or mockery (often at another's expense but not to be taken seriously)
	someone who engages in sports
	(biology) an organism that has characteristics resulting from chromosomal alteration
	a person known for the way she (or he) behaves when teased or defeated or subjected to trying circumstances
	(Maine colloquial) a temporary summer resident of Maine

referee (verb)	sport (verb)
evaluate professionally a colleague's work	play boisterously
be a referee or umpire in a sports competition	wear or display in an ostentatious or proud manner